package collection;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;

public class listDemo {
    public static void main(String[] args) {
        List<String> list =new LinkedList<>();
        list.add("one");
        list.add("two");
        list.add("three");
        list.add("four");
        list.add("five");
        list.add("one");
        System.out.println(list);
        String e =list.get(2);
        System.out.println(e);

        for (int i=0;i<list.size();i++){
            System.out.println(list.get(i));
        }

        Iterator<String>it=list.iterator();
        while (it.hasNext()){
            System.out.println(it.next());
        }
        for (String s :list){
            System.out.println(s);
        }
        String old=list.set(2,"six");
        System.out.println(list);
        System.out.println(old);

        //list.remove(2);
        String S= list.remove(2);
        System.out.println(list);
        System.out.println(S);

        list.add(3,"seven");
        System.out.println(list);
    }
}
